Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7284933 | Square embossed roof and rib plate | Jack R. Eaton, John C. Stankus, Eugene H. Stewart, Demrey G. Brandon | 2007-10-23 |
| 6619888 | Flange nut for mine roof bolt | John C. Stankus, Michael Cokus, Steve Oyler, John G. Oldsen | 2003-09-16 |
| 6599059 | Three-prong shell | John C. Stankus, Brandon Demrey, Jack R. Eaton, Larry Boozer | 2003-07-29 |
| 6322290 | Cable bolt head | Eugene H. Stewart, Stanley Ponce, John G. Oldsen, John C. Stankus, Brian R. Castle | 2001-11-27 |
| 6146056 | Channel and bearing plate assembly | — | 2000-11-14 |
| 6056482 | Cable bolt head | Eugene H. Stewart, Stanley Ponce, John G. Oldsen, John C. Stankus, Brian R. Castle | 2000-05-02 |
| 5954455 | Combination bolt system | Jack R. Eaton, John G. Oldsen, John C. Stankus | 1999-09-21 |
| 5919006 | Tensionable cable bolt with mixing assembly | John C. Stankus, James J. Scott, Brian R. Castle, John G. Oldsen, Kendal L. Taylor +1 more | 1999-07-06 |
| 5851481 | Rebar with vanadium alloy | John C. Stankus, Michael Cokus, Ray W. Goetz | 1998-12-22 |
| 5829922 | Cable bolt head | Eugene H. Stewart, Stanley Ponce, John G. Oldsen, John C. Stankus, Brian R. Castle +1 more | 1998-11-03 |
| RE35902 | Bearing plate | John C. Stankus, Eugene H. Stewart | 1998-09-22 |
| 5785463 | Combination cable bolt system | Jack R. Eaton, John G. Oldsen | 1998-07-28 |
| 5762451 | Multi-piece, split bail expansion anchor | John C. Stankus, Song Guo | 1998-06-09 |
| 5511909 | Cable bolt and method of use in supporting a rock formation | John C. Stankus, John G. Oldsen | 1996-04-30 |
| 5450663 | Method for fabricating a truss member for a mine roof support | Jerry E. Frease, Lajos Kovacs, John C. Stankus, Eugene H. Stewart | 1995-09-19 |
| 5445477 | Bearing plate with a continuous elliptical embossment | — | 1995-08-29 |
| 5437830 | Process of making a rod for use in reinforcing an underground rock formation | John C. Stankus, John G. Oldsen | 1995-08-01 |
| 5425601 | Longwall mining roof control system | John C. Stankus | 1995-06-20 |
| 5385433 | Bearing plate | John C. Stankus, Eugene H. Stewart, Dominic Cricelli | 1995-01-31 |
| 5314268 | Non-metallic reinforcing rod and method of use in supporting a rock formation | John C. Stankus, John G. Oldsen | 1994-05-24 |
| 5302056 | Method and apparatus for supporting a mine roof | Jerry E. Frease, Lajos Kovacs, John C. Stankus, Eugene H. Stewart | 1994-04-12 |
| 5292209 | Bearing plate | John C. Stankus, Eugene H. Stewart | 1994-03-08 |
| 5244314 | Expansion assembly | Jerry E. Frease, John C. Stankus | 1993-09-14 |
| 5184923 | Expansion shell assembly | John C. Stankus, Paul Yacisin | 1993-02-09 |
| 5078547 | Expansion assembly for mine roof bolts | John C. Stankus | 1992-01-07 |